# encoding: utf-8
"""
@author: lileilei
@site:
@software: PyCharm
@file: login.py
@time: 2017/7/26 10:28
"""
import requests,time
from multiprocessing import Pool
url='http://www.jd.com'
total=0
suc=0
fail=0
ecept=0
maxtime=0
mintime=0
gt3=0
lt3=0
def baiduGent():
global total
global suc
global fail
global gt3
global lt3
global ecept
try:
st=time.time()
conn=requests.get(url)
res=conn.status_code
if res==200:
total+=1
suc+=1
else:
total+=1
fail+=1
time_span = time.time() - st
print(time_span)
if time_span>3:
gt3+=1
else:
lt3+=1
except Exception as e:
print(e)
total+=1
ecept+=1
if __name__ =='__main__':
print('===========请求开始===========')
start_time = time.time()
pools = Pool(100)
for i in range(10):
pools.apply_async(baiduGent,args=())
pools.close()
pools.join()
from multiprocessing import Process,Queue
import os, time, random
def write(q):
print('Process to 产生: %s' % os.getpid())
for value in ['苹果', '香蕉', '橘子']:
print('产生 %s to queue...' % value)
q.put(value)
time.sleep(random.random())
def read(q):
print('Process to 消费: %s' % os.getpid())
while True:
value = q.get()
print('消费 %s from queue.' % value)
if __name__=='__main__':
q = Queue()
pw = Process(target=write, args=(q,))
pr = Process(target=read, args=(q,))
pw.start()
pr.start()
pw.join()
pr.terminate()
m=list(map(lambda x: x * x, [1, 2, 3, 4, 5, 6, 7, 8, 9]))
print(m)
f=list(map(lambda x:True if x%3==0 else False,range(100)))
print(f)
import asyncio
@asyncio.coroutine
async def hello():
print ('hello word')
r=await asyncio.sleep(1)
print('hello again')
loop=asyncio.get_event_loop()
loop.run_until_complete(hello())
loop.close()
import threading
import asyncio
@asyncio.coroutine
def hello():
print('Hello world! (%s)' % threading.currentThread())
yield from asyncio.sleep(1)
print('Hello again! (%s)' % threading.currentThread())
loop = asyncio.get_event_loop()
tasks = [hello(), hello()]
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
import asyncio
@asyncio.coroutine
def wget(host):
print('wegt %s ....'%host)
connt=asyncio.open_connection(host,80)
reder,writer=yield from connt
hserd= 'GET / HTTP/1.0\r\nHost: %s\r\n\r\n' % host
writer.write(hserd.encode('utf-8'))
yield from writer.drain()
while 1:
line=yield from reder.readline()
if line ==b'\r\n':
break
print('%s header > %s' % (host, line.decode('utf-8').rstrip()))
writer.close()
loop=asyncio.get_event_loop()
tasks=[wget(host) for host in ['www.sina.com.cn', 'www.sohu.com', 'www.163.com']]
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
import asyncio
from aiohttp import web
async def index(request):
await asyncio.sleep(0.5)
return web.Response(body=b'<h1>Index</h1>',content_type='text/html')
async def hello(request):
await asyncio.sleep(0.5)
text = '<h1>hello, %s!</h1>' % request.match_info['name']
return web.Response(body=text.encode('utf-8'),content_type='text/html')
async def init(loop):
app = web.Application(loop=loop)
app.router.add_route('GET', '/', index)
app.router.add_route('GET', '/hello/{name}', hello)
srv = await loop.create_server(app.make_handler(), '127.0.0.1', 8000)
print('Server started at http://127.0.0.1:8000...')
return srv
loop = asyncio.get_event_loop()
loop.run_until_complete(init(loop))
loop.run_forever()
import asyncio,time
@asyncio.coroutine
async def hello():
print ('hello word')
start_time=time.time()
loop=asyncio.get_event_loop()
tasks=[]
for i in range(10000):
tasks.append(hello())
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
print('异步处理时间：%s'%(time.time()-start_time))
import time,gevent
def print_s(num):
st=time.time()
conn=requests.get('http://www.jd.com')
res=conn.status_code
if res==200:
print('chenggong')
else:
print('shibai')
start_time=time.time()
events=[gevent.spawn(print_s,num)for num in range(10000)]
gevent.joinall(events)
print('协程时间:%s'%(time.time()-start_time))
